Related references
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Summary: Soft robotic systems have been widely used in commercial applications over the last decade, particularly in tasks involving intense human-robot interaction, such as human exoskeleton applications. In this study, a fully functional soft robotic hand exoskeleton system was developed using innovative air-pressurized soft actuators manufactured via additive manufacturing technologies. The system consists of a control glove that copies the motion from the healthy hand and passes the finger configuration to the soft exoskeleton glove on the affected hand, which can move each finger independently.
APPLIED SCIENCES-BASEL
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Kerun Liu et al.
Summary: This paper comprehensively summarizes the driven methods, 3D printing technologies, applications, existing problems, and development prospects for soft robots. It introduces the driven methods and materials of soft robots, including fluid driven, smart materials driven, and chemical reaction driven. The mainstream 3D printing technologies for soft materials, such as FDM and DIW, are discussed. Current applications of soft robots in bionic structures, gripping operations, and medical rehabilitation are described. The existing problems in the development of soft robots are summarized, and suggestions for future development and applications are provided.
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Summary: This article introduces an innovative wearable rehabilitation glove that helps stroke patients recover physical abilities and provides a practical and effective solution. The glove can train finger movements, recognize hand gestures using smart sensors and deep learning algorithms, and mimic the actions of the unaffected hand for rehabilitation training.
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Summary: Compliance in soft robotics, particularly with compliant manipulators like soft bending actuators, presents challenges in dynamic modeling due to the high nonlinearity of geometrical and material features. Finite-Element method is a proper technique to model these actuators and gain insight into their dynamical behavior. A proposed model was created in ABAQUS to describe the dynamic behavior of a pneumatically driven soft bending actuator, which was experimentally verified and shown to match test data. Additionally, a design platform was presented regarding the impact of changes in length and thickness on bending angle and curvature.
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Summary: This paper presents a data-driven approach using machine learning to model the kinematics of Soft Pneumatic Actuators (SPAs). An Echo State Network (ESN) is used to predict the position of the SPA in three axes. The method successfully models the complex non-linear behavior of the SPA and can estimate the kinematics of SPAs with different orientation angles. The proposed approach offers a general method for modeling SPAs with varying design parameters.
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Robotics
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Summary: This study integrates a cable-driven lower-limb exoskeleton with functional electrical stimulation (FES) for treadmill walking at a constant speed. The use of robust controllers and sliding-mode controllers enables the activation and adjustment of muscles and joints, achieving effective gait control. Experimental results demonstrate the successful implementation of the cable-driven exoskeleton with FES for treadmill walking using the proposed control strategy.
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Hang Su et al.
Summary: Soft robots, with their high flexibility, good compliance, adaptability, and interactivity, have shown great potential in various fields. Pneumatic soft robots, known for their lightweight, efficiency, non-pollution, and environmental adaptability, have attracted increasing research interests. This paper aims to investigate the development and research solutions for pneumatic soft robots, reviewing their current status, progress, as well as discussing the challenges and benefits.
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Robotics
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Summary: Research on human behavior in different stiffness profiles revealed that the early stages of learning are influenced by the profile, while position estimation remains accurate regardless of the profile. Interestingly, the accuracy of force estimation varied significantly according to the stiffness profile.
FRONTIERS IN NEUROSCIENCE
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Matthew Craddock et al.
Summary: This paper provides an overview of recent developments in the field of biorobotics, including advancements in materials and new approaches to artificial muscles. It discusses innovations from the fields of nano and microtechnology, as well as soft robotics, and summarizes the progress made in the past few years and future improvement possibilities for artificial muscles.
Review
Biotechnology & Applied Microbiology
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Summary: This paper reviews the recent research on non-invasive rehabilitation systems based on brain-computer interfaces, discussing the advantages, limitations, and challenges of various methods. It also describes the development of the brain-computer interaction system and its technology characteristics.
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Kai Guo et al.
Summary: This study developed a flexible hand function rehabilitation robot based on sensory input, which promotes the rehabilitation of fine functions of fingers after stroke through vibration and low-frequency electrical stimulation. The experiments showed that using this robot for training can mobilize the active participation of the brain.
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Bhaben Kalita et al.
Summary: This review presents the development, manufacturing process, and operating principle of pneumatic artificial muscles (PAMs). It reviews various force models of artificial muscles and classifies PAM applications based on different fields. The need for improvements in PAM dynamics for precise control is also discussed.
Review
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Muhammad N. Shah et al.
Summary: Through a SWOT analysis of existing ankle injury rehabilitation robots (AIRRs), it is found that most AIRRs have the ability to perform basic ankle movements and provide critical feedback sensors. However, there is still room for improvement in accommodating complex motion ankle rehabilitation exercises and incorporating teaching and playback into rehabilitation procedures.
Review
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Min Pan et al.
Summary: Soft actuators and robotic devices play a key role in rehabilitation and assistance, offering advantages such as safe interaction, a variety of complex motions, and ease of fabrication. Current research in soft rehabilitation and assistive devices is still in its early stages, with future focus on improving performance and ensuring safe human-machine interaction.
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Alan Francisco Perez Vidal et al.
Summary: The article presents various investigations on soft exoskeletons, focusing on the upper and lower joints over the past decade. It analyzes the functional and structural characteristics, as well as the essential features and challenges in the design and construction of soft exoskeletons. The purpose is to showcase the current trend in soft exoskeleton development and highlight key considerations for their design.
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Robotics
Gionata Salvietti et al.
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Summary: This paper introduces an exoskeleton-assisted hand rehabilitation system that combines fingertip cutaneous haptic stimulation, demonstrating that adding tactile stimulation can increase users' attention levels during training, especially when gripping heavier objects.
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